export default function createTooltip({
  BaseComponent,
  CLASS_PREFIX,
  DATA_PREFIX_BASE,
  DATA_PREFIX,
  DefaultAllowlist,
  EventHandler,
  execute,
  findShadowRoot,
  getElement,
  getUID,
  isRTL,
  Manipulator,
  noop,
  Popper,
  TemplateFactory,
}) {
  /**
   * Constants
   */

  const NAME = 'tooltip'
  const DISALLOWED_ATTRIBUTES = new Set(['sanitize', 'allowList', 'sanitizeFn'])

  const CLASS_NAME_FADE = `${CLASS_PREFIX}fade`
  const CLASS_NAME_MODAL = `${CLASS_PREFIX}modal`
  const CLASS_NAME_SHOW = `${CLASS_PREFIX}show`

  const SELECTOR_TOOLTIP_INNER = `.${CLASS_PREFIX}tooltip-inner`
  const SELECTOR_MODAL = `.${CLASS_NAME_MODAL}`

  const EVENT_MODAL_HIDE = `hide.${DATA_PREFIX_BASE}.modal`

  const TRIGGER_HOVER = 'hover'
  const TRIGGER_FOCUS = 'focus'
  const TRIGGER_CLICK = 'click'
  const TRIGGER_MANUAL = 'manual'

  const EVENT_HIDE = 'hide'
  const EVENT_HIDDEN = 'hidden'
  const EVENT_SHOW = 'show'
  const EVENT_SHOWN = 'shown'
  const EVENT_INSERTED = 'inserted'
  const EVENT_CLICK = 'click'
  const EVENT_FOCUSIN = 'focusin'
  const EVENT_FOCUSOUT = 'focusout'
  const EVENT_MOUSEENTER = 'mouseenter'
  const EVENT_MOUSELEAVE = 'mouseleave'

  const AttachmentMap = {
    AUTO: 'auto',
    TOP: 'top',
    RIGHT: isRTL() ? 'left' : 'right',
    BOTTOM: 'bottom',
    LEFT: isRTL() ? 'right' : 'left',
  }

  const Default = {
    allowList: DefaultAllowlist,
    animation: true,
    boundary: 'clippingParents',
    container: false,
    customClass: '',
    delay: 0,
    fallbackPlacements: ['top', 'right', 'bottom', 'left'],
    html: false,
    offset: [0, 6],
    placement: 'top',
    popperConfig: null,
    sanitize: true,
    sanitizeFn: null,
    selector: false,
    template:
      `<div class="${CLASS_PREFIX}tooltip" role="tooltip"><div class="${CLASS_PREFIX}tooltip-arrow"></div><div class="${CLASS_PREFIX}tooltip-inner"></div></div>'`,
    title: '',
    trigger: 'hover focus',
  }

  const DefaultType = {
    allowList: 'object',
    animation: 'boolean',
    boundary: '(string|element)',
    container: '(string|element|boolean)',
    customClass: '(string|function)',
    delay: '(number|object)',
    fallbackPlacements: 'array',
    html: 'boolean',
    offset: '(array|string|function)',
    placement: '(string|function)',
    popperConfig: '(null|object|function)',
    sanitize: 'boolean',
    sanitizeFn: '(null|function)',
    selector: '(string|boolean)',
    template: 'string',
    title: '(string|element|function)',
    trigger: 'string',
  }

  /**
   * Class definition
   */

  class Tooltip extends BaseComponent {
    constructor(element, config) {
      if (typeof Popper === 'undefined') {
        throw new TypeError(
          "Tooltip requires Popper (https://popper.js.org/docs/v2/)",
        )
      }

      super(element, config)

      // Private
      this._isEnabled = true
      this._timeout = 0
      this._isHovered = null
      this._activeTrigger = {}
      this._popper = null
      this._templateFactory = null
      this._newContent = null

      // Protected
      this.tip = null

      this._setListeners()

      if (!this._config.selector) {
        this._fixTitle()
      }
    }

    // Getters
    static get Default() {
      return Default
    }

    static get DefaultType() {
      return DefaultType
    }

    static get NAME() {
      return NAME
    }

    // Public
    enable() {
      this._isEnabled = true
    }

    disable() {
      this._isEnabled = false
    }

    toggleEnabled() {
      this._isEnabled = !this._isEnabled
    }

    toggle() {
      if (!this._isEnabled) {
        return
      }

      this._activeTrigger.click = !this._activeTrigger.click
      if (this._isShown()) {
        this._leave()
        return
      }

      this._enter()
    }

    dispose() {
      clearTimeout(this._timeout)

      EventHandler.off(
        this._element.closest(SELECTOR_MODAL),
        EVENT_MODAL_HIDE,
        this._hideModalHandler,
      )

      if (this._element.getAttribute(`data-${DATA_PREFIX}original-title`)) {
        this._element.setAttribute(
          'title',
          this._element.getAttribute(`data-${DATA_PREFIX}original-title`),
        )
      }

      this._disposePopper()
      super.dispose()
    }

    show() {
      if (this._element.style.display === 'none') {
        throw new Error('Please use show on visible elements')
      }
console.log('show tooltip', this._config, this._isWithContent() , this._isEnabled)
      if (!(this._isWithContent() && this._isEnabled)) {
        return
      }

      const showEvent = EventHandler.trigger(
        this._element,
        this.constructor.eventName(EVENT_SHOW),
      )
      const shadowRoot = findShadowRoot(this._element)
      const isInTheDom = (
        shadowRoot || this._element.ownerDocument.documentElement
      ).contains(this._element)

      if (showEvent.defaultPrevented || !isInTheDom) {
        return
      }

      // TODO: v6 remove this or make it optional
      this._disposePopper()

      const tip = this._getTipElement()

      this._element.setAttribute('aria-describedby', tip.getAttribute('id'))

      const { container } = this._config

      if (!this._element.ownerDocument.documentElement.contains(this.tip)) {
        container.append(tip)
        EventHandler.trigger(
          this._element,
          this.constructor.eventName(EVENT_INSERTED),
        )
      }

      this._popper = this._createPopper(tip)

      tip.classList.add(CLASS_NAME_SHOW)

      // If this is a touch-enabled device we add extra
      // empty mouseover listeners to the body's immediate children;
      // only needed because of broken event delegation on iOS
      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
      if ('ontouchstart' in document.documentElement) {
        for (const element of [].concat(...document.body.children)) {
          EventHandler.on(element, 'mouseover', noop)
        }
      }

      const complete = () => {
        EventHandler.trigger(
          this._element,
          this.constructor.eventName(EVENT_SHOWN),
        )

        if (this._isHovered === false) {
          this._leave()
        }

        this._isHovered = false
      }

      this._queueCallback(complete, this.tip, this._isAnimated())
    }

    hide() {
      if (!this._isShown()) {
        return
      }

      const hideEvent = EventHandler.trigger(
        this._element,
        this.constructor.eventName(EVENT_HIDE),
      )
      if (hideEvent.defaultPrevented) {
        return
      }

      const tip = this._getTipElement()
      tip.classList.remove(CLASS_NAME_SHOW)

      // If this is a touch-enabled device we remove the extra
      // empty mouseover listeners we added for iOS support
      if ('ontouchstart' in document.documentElement) {
        for (const element of [].concat(...document.body.children)) {
          EventHandler.off(element, 'mouseover', noop)
        }
      }

      this._activeTrigger[TRIGGER_CLICK] = false
      this._activeTrigger[TRIGGER_FOCUS] = false
      this._activeTrigger[TRIGGER_HOVER] = false
      this._isHovered = null // it is a trick to support manual triggering

      const complete = () => {
        if (this._isWithActiveTrigger()) {
          return
        }

        if (!this._isHovered) {
          this._disposePopper()
        }

        this._element.removeAttribute('aria-describedby')
        EventHandler.trigger(
          this._element,
          this.constructor.eventName(EVENT_HIDDEN),
        )
      }

      this._queueCallback(complete, this.tip, this._isAnimated())
    }

    update() {
      if (this._popper) {
        this._popper.update()
      }
    }

    // Protected
    _isWithContent() {
      return Boolean(this._getTitle())
    }

    _getTipElement() {
      if (!this.tip) {
        this.tip = this._createTipElement(
          this._newContent || this._getContentForTemplate(),
        )
      }

      return this.tip
    }

    _createTipElement(content) {
      const tip = this._getTemplateFactory(content).toHtml()

      // TODO: remove this check in v6
      if (!tip) {
        return null
      }

      tip.classList.remove(CLASS_NAME_FADE, CLASS_NAME_SHOW)
      // TODO: v6 the following can be achieved with CSS only
      tip.classList.add(`${CLASS_PREFIX}${this.constructor.NAME}-auto`)

      const tipId = getUID(this.constructor.NAME).toString()

      tip.setAttribute('id', tipId)

      if (this._isAnimated()) {
        tip.classList.add(CLASS_NAME_FADE)
      }

      return tip
    }

    setContent(content) {
      this._newContent = content
      if (this._isShown()) {
        this._disposePopper()
        this.show()
      }
    }

    _getTemplateFactory(content) {
      if (this._templateFactory) {
        this._templateFactory.changeContent(content)
      } else {
        this._templateFactory = new TemplateFactory({
          ...this._config,
          // the `content` var has to be after `this._config`
          // to override config.content in case of popover
          content,
          extraClass: this._resolvePossibleFunction(this._config.customClass),
        })
      }

      return this._templateFactory
    }

    _getContentForTemplate() {
      return {
        [SELECTOR_TOOLTIP_INNER]: this._getTitle(),
      }
    }

    _getTitle() {
      return (
        this._resolvePossibleFunction(this._config.title) ||
        this._element.getAttribute(`data-${DATA_PREFIX}original-title`)
      )
    }

    // Private
    _initializeOnDelegatedTarget(event) {
      return this.constructor.getOrCreateInstance(
        event.delegateTarget,
        this._getDelegateConfig(),
      )
    }

    _isAnimated() {
      return (
        this._config.animation ||
        (this.tip && this.tip.classList.contains(CLASS_NAME_FADE))
      )
    }

    _isShown() {
      return this.tip && this.tip.classList.contains(CLASS_NAME_SHOW)
    }

    _createPopper(tip) {
      const placement = execute(this._config.placement, [
        this,
        tip,
        this._element,
      ])
      const attachment = AttachmentMap[placement.toUpperCase()]
      return Popper.createPopper(
        this._element,
        tip,
        this._getPopperConfig(attachment),
      )
    }

    _getOffset() {
      const { offset } = this._config

      if (typeof offset === 'string') {
        return offset.split(',').map((value) => Number.parseInt(value, 10))
      }

      if (typeof offset === 'function') {
        return (popperData) => offset(popperData, this._element)
      }

      return offset
    }

    _resolvePossibleFunction(arg) {
      return execute(arg, [this._element, this._element])
    }

    _getPopperConfig(attachment) {
      const defaultBsPopperConfig = {
        placement: attachment,
        modifiers: [
          {
            name: 'flip',
            options: {
              fallbackPlacements: this._config.fallbackPlacements,
            },
          },
          {
            name: 'offset',
            options: {
              offset: this._getOffset(),
            },
          },
          {
            name: 'preventOverflow',
            options: {
              boundary: this._config.boundary,
            },
          },
          {
            name: 'arrow',
            options: {
              element: `.${CLASS_PREFIX}${this.constructor.NAME}-arrow`,
            },
          },
          {
            name: 'preSetPlacement',
            enabled: true,
            phase: 'beforeMain',
            fn: (data) => {
              // Pre-set Popper's placement attribute in order to read the arrow sizes properly.
              // Otherwise, Popper mixes up the width and height dimensions since the initial arrow style is for top placement
              this._getTipElement().setAttribute(
                'data-popper-placement',
                data.state.placement,
              )
            },
          },
        ],
      }

      return {
        ...defaultBsPopperConfig,
        ...execute(this._config.popperConfig, [
          undefined,
          defaultBsPopperConfig,
        ]),
      }
    }

    _setListeners() {
      const triggers = this._config.trigger.split(' ')

      for (const trigger of triggers) {
        if (trigger === 'click') {
          EventHandler.on(
            this._element,
            this.constructor.eventName(EVENT_CLICK),
            this._config.selector,
            (event) => {
              const context = this._initializeOnDelegatedTarget(event)
              context.toggle()
            },
          )
        } else if (trigger !== TRIGGER_MANUAL) {
          const eventIn =
            trigger === TRIGGER_HOVER
              ? this.constructor.eventName(EVENT_MOUSEENTER)
              : this.constructor.eventName(EVENT_FOCUSIN)
          const eventOut =
            trigger === TRIGGER_HOVER
              ? this.constructor.eventName(EVENT_MOUSELEAVE)
              : this.constructor.eventName(EVENT_FOCUSOUT)

          EventHandler.on(
            this._element,
            eventIn,
            this._config.selector,
            (event) => {
              const context = this._initializeOnDelegatedTarget(event)
              context._activeTrigger[
                event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER
              ] = true
              context._enter()
            },
          )
          EventHandler.on(
            this._element,
            eventOut,
            this._config.selector,
            (event) => {
              const context = this._initializeOnDelegatedTarget(event)
              context._activeTrigger[
                event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER
              ] = context._element.contains(event.relatedTarget)

              context._leave()
            },
          )
        }
      }

      this._hideModalHandler = () => {
        if (this._element) {
          this.hide()
        }
      }

      EventHandler.on(
        this._element.closest(SELECTOR_MODAL),
        EVENT_MODAL_HIDE,
        this._hideModalHandler,
      )
    }

    _fixTitle() {
      const title = this._element.getAttribute('title')

      if (!title) {
        return
      }

      if (
        !this._element.getAttribute('aria-label') &&
        !this._element.textContent.trim()
      ) {
        this._element.setAttribute('aria-label', title)
      }

      this._element.setAttribute(`data-${DATA_PREFIX}original-title`, title) // DO NOT USE IT. Is only for backwards compatibility
      this._element.removeAttribute('title')
    }

    _enter() {
      if (this._isShown() || this._isHovered) {
        this._isHovered = true
        return
      }

      this._isHovered = true

      this._setTimeout(() => {
        if (this._isHovered) {
          this.show()
        }
      }, this._config.delay.show)
    }

    _leave() {
      if (this._isWithActiveTrigger()) {
        return
      }

      this._isHovered = false

      this._setTimeout(() => {
        if (!this._isHovered) {
          this.hide()
        }
      }, this._config.delay.hide)
    }

    _setTimeout(handler, timeout) {
      clearTimeout(this._timeout)
      this._timeout = setTimeout(handler, timeout)
    }

    _isWithActiveTrigger() {
      return Object.values(this._activeTrigger).includes(true)
    }

    _getConfig(config) {
      const dataAttributes = Manipulator.getDataAttributes(this._element)

      for (const dataAttribute of Object.keys(dataAttributes)) {
        if (DISALLOWED_ATTRIBUTES.has(dataAttribute)) {
          delete dataAttributes[dataAttribute]
        }
      }

      config = {
        ...dataAttributes,
        ...(typeof config === 'object' && config ? config : {}),
      }
      config = this._mergeConfigObj(config)
      config = this._configAfterMerge(config)
      this._typeCheckConfig(config)
      return config
    }

    _configAfterMerge(config) {
      config.container =
        config.container === false
          ? document.body
          : getElement(config.container)

      if (typeof config.delay === 'number') {
        config.delay = {
          show: config.delay,
          hide: config.delay,
        }
      }

      if (typeof config.title === 'number') {
        config.title = config.title.toString()
      }

      if (typeof config.content === 'number') {
        config.content = config.content.toString()
      }

      return config
    }

    _getDelegateConfig() {
      const config = {}

      for (const [key, value] of Object.entries(this._config)) {
        if (this.constructor.Default[key] !== value) {
          config[key] = value
        }
      }

      config.selector = false
      config.trigger = 'manual'

      // In the future can be replaced with:
      // const keysWithDifferentValues = Object.entries(this._config).filter(entry => this.constructor.Default[entry[0]] !== this._config[entry[0]])
      // `Object.fromEntries(keysWithDifferentValues)`
      return config
    }

    _disposePopper() {
      if (this._popper) {
        this._popper.destroy()
        this._popper = null
      }

      if (this.tip) {
        this.tip.remove()
        this.tip = null
      }
    }

    // Static
    static jQueryInterface(config) {
      return this.each(function () {
        const data = Tooltip.getOrCreateInstance(this, config)

        if (typeof config !== 'string') {
          return
        }

        if (typeof data[config] === 'undefined') {
          throw new TypeError(`No method named "${config}"`)
        }

        data[config]()
      })
    }
  }

  return Tooltip
}
